I believe Jose is correct because though the book isn't moving, gravity is still being applied (gravity counts as force)
Explanation:
Hoped this helped
C , the potential energy of a 500kg boulder
Copper, because it is the only metal out of all of them. Therefore copper is the only element that can loose electrons to have a positive charge, it is the most likely to become a cation.
I have not learnt this in school yet, but I researched it, and this is what all the websites say.
Hope this helps!
A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.
Hope this helps!! And maybe makes you smile!! I struggle with chemistry as well (and I’m in AP chem ;) )